New palaeobotanical records from the Lower Cretaceous of western Cameros Basin (province of Burgos) | Nuevos registros paleobotánicos del Cretácico inferior de la cuenca de Cameros occidental (provincia de Burgos)
2010
Sender, Luis Miguel | Villanueva-Amadoz, Uxue | Diez, José B. | Fernández-Baldor, Fidel T. | Sánchez-Pellicer, Raquel | Cascales - Miñana, Borja | Bercovici, Antoine | Ferrer, Javier
Palaeobotanical records of the Cameros basin are scarce and limited to a few localities. Two new records , mainly corresponding to Barremian deposits near Salas de los Infantes and Hortezuelos (Burgos) are presented. The new flora from Horcajuelos-1 near Salas corresponds to fluvial deposits of the Pinilla de los Moros Fm. A lower bed is dominated by Tempskya, while an upper layer includes abundant Onychiopsis cf. psilotoides, Regnellites, Ruffordia and Cladophlebis. The palynological records of the laterally equivalent lacustrine facies from the Hortezuelos Fm. are dominated by abundant and diverse fern spore assemblages (mainly Schizaeaceae) along with conifers (Classopollis and Araucariacites) and rare monosulcate angiosperm pollen.
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